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Phy 231
Your 'cq_1_21.1' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
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A ball is tossed vertically upward and caught at the position from which it was released.
Ignoring air resistance will the ball at the instant it reaches its original position be traveling faster, slower, or at the same speed as it was when released?
answer/question/discussion: ->->->->->->->->->->->-> :
Ideally the ball will have the same magnitude of initial velocity but this time it would be in the opposite direction.
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What, if anything, is different in your answer if air resistance is present? Give your best explanation.
answer/question/discussion: ->->->->->->->->->->->-> :
If air resistance is present it will act as a non conservative force on the way up, so the ball will have a lower altitude, and on the way down it will slow the acceleration by gravity by a small amount, therefore letting the final velocity on the way down be lower than its initial velocity on the way up.
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5 mins
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Very good work. Let me know if you have questions.